Home / 841,408.71-1,161,143.96-459,435.80

Finding the Fourth Proportional to 841,408.71, 1,161,143.96 and 459,435.80

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Solution

The fourth proportional to 841,408.71, 1,161,143.96 and 459,435.80 is: 634,021.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,408.71 : 1,161,143.96 = 459,435.80 : x
  2. Step 2: Convert to fraction form
    841,408.71/1,161,143.96 = 459,435.80/x
  3. Step 3: Cross multiply
    841,408.71x = 1,161,143.96 × 459,435.80
  4. Step 4: Simplify right side
    841,408.71x = 533,471,096,074.87
  5. Step 5: Solve for x
    x = 533,471,096,074.87/841,408.71
  6. Step 6: Final answer
    x = 634,021.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.